
Table of Contents
OVERVIEW ........................................................................................................................................................ 3
Overview ......................................................................................................................................................................................3
INSTALLATION AND WIRING ........................................................................................................................... 4
Environmental Requirements .......................................................................................................................................................4
Mounting.......................................................................................................................................................................................4
Power Supply and Communications ............................................................................................................................................4
Important Wiring Considerations ..................................................................................................................................................5
VCM-S Modular Controller to Dual Digital Module Wiring ............................................................................................................6
VCM-X Modular E-BUS Controller to Dual Digital Module Wiring ................................................................................................8
START-UP AND COMMISSIONING .................................................................................................................. 10
General.......................................................................................................................................................................................10
Unit Confi gurations .....................................................................................................................................................................10
SEQUENCE OF OPERATION ........................................................................................................................... 11
Off Mode ..................................................................................................................................................................................... 11
Cooling Mode .............................................................................................................................................................................11
Dehumidifi cation Mode ............................................................................................................................................................... 11
Heat Pump Heating Mode (Air to Air) .........................................................................................................................................11
Defrost Mode .............................................................................................................................................................................. 11
Staging Delays ...........................................................................................................................................................................11
TROUBLESHOOTING ...................................................................................................................................... 12
Using LEDs to Verify Operation..................................................................................................................................................12
LED Diagnostics .........................................................................................................................................................................13
Other Checks .............................................................................................................................................................................13
WattMaster Controls Inc.
8500 NW River Park Drive · Parkville , MO 64152
Toll Free Phone: 866-918-1100
PH: (816) 505-1100 · FAX: (816) 505-1101 · E-mail: mail@wattmaster.com
Visit our web site at www.orioncontrols.com
WattMaster Form : AA-DDM-TGD-01F
Copyright December 2013 WattMaster Controls, Inc.
AAON
®
is a registered trademark of AAON, Inc., Tulsa, OK.
Neither WattMaster Controls, Inc. nor AAON
®
assumes any responsibility for errors or omissions in this document.
This document is subject to change without notice.
www.aaon.com
PART NUMBER CROSS REFERENCE TABLE
PART DESCRIPTION ORION
AAON
COIL
VCM-X Dual Digital Module OE370-23-DD-C 30311
VCM-X Modular Controller OE332-23-VCMX-MOD-C 30553
VCM-X Modular E-BUS Controller OE332-23E-VCMX-C TBA
VCM-X E-BUS Distribution Module OE365-23-EBD-C 30312
VCM-X Expansion Module OE333-23-EM 30308
VCM-X 12 Relay Expansion Module OE358-23-12R 30309
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